package org.dromara.mall.service.impl;

import org.dromara.common.core.utils.BeanUtils;
import org.dromara.common.core.utils.MapstructUtils;
import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.mybatis.core.page.TableDataInfo;
import org.dromara.common.mybatis.core.page.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.dromara.mall.service.ITerFullSyncService;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.dromara.mall.domain.bo.TerMallProductBo;
import org.dromara.mall.domain.vo.TerMallProductVo;
import org.dromara.mall.domain.TerMallProduct;
import org.dromara.mall.mapper.TerMallProductMapper;
import org.dromara.mall.service.ITerMallProductService;

import java.util.List;
import java.util.Map;
import java.util.Collection;

/**
 * 商品Service业务层处理
 *
 * @author xch
 * @date 2025-06-27
 */
@Slf4j
@RequiredArgsConstructor
@Service
public class TerMallProductServiceImpl implements ITerMallProductService {

    private final TerMallProductMapper baseMapper;
    private final RedisTemplate<String, String> redisTemplate;
    /**
     * 查询商品
     *
     * @param id 主键
     * @return 商品
     */
    @Override
    public TerMallProductVo queryById(Long id){
        return baseMapper.selectVoById(id);
    }

    /**
     * 分页查询商品列表
     *
     * @param bo        查询条件
     * @param pageQuery 分页参数
     * @return 商品分页列表
     */
    @Override
    public TableDataInfo<TerMallProductVo> queryPageList(TerMallProductBo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<TerMallProduct> lqw = buildQueryWrapper(bo);
        Page<TerMallProductVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
        return TableDataInfo.build(result);
    }

    /**
     * 查询符合条件的商品列表
     *
     * @param bo 查询条件
     * @return 商品列表
     */
    @Override
    public List<TerMallProductVo> queryList(TerMallProductBo bo) {
        LambdaQueryWrapper<TerMallProduct> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<TerMallProduct> buildQueryWrapper(TerMallProductBo bo) {
        LambdaQueryWrapper<TerMallProduct> lqw = Wrappers.lambdaQuery();
        if(bo!=null){
            lqw.orderByAsc(TerMallProduct::getId);
            lqw.eq(bo.getCategoryId() != null, TerMallProduct::getCategoryId, bo.getCategoryId());
            lqw.like(StringUtils.isNotBlank(bo.getName()), TerMallProduct::getName, bo.getName());
            lqw.eq(bo.getPrice() != null, TerMallProduct::getPrice, bo.getPrice());
            lqw.eq(bo.getStock() != null, TerMallProduct::getStock, bo.getStock());
            lqw.eq(StringUtils.isNotBlank(bo.getThumbnail()), TerMallProduct::getThumbnail, bo.getThumbnail());
            lqw.eq(StringUtils.isNotBlank(bo.getImages()), TerMallProduct::getImages, bo.getImages());
            lqw.eq(StringUtils.isNotBlank(bo.getDescription()), TerMallProduct::getDescription, bo.getDescription());
            lqw.eq(bo.getSales() != null, TerMallProduct::getSales, bo.getSales());
            lqw.eq(bo.getStatus() != null, TerMallProduct::getStatus, bo.getStatus());
            lqw.eq(bo.getIsHot() != null, TerMallProduct::getIsHot, bo.getIsHot());
            lqw.eq(StringUtils.isNotBlank(bo.getCarouselImage()), TerMallProduct::getCarouselImage, bo.getCarouselImage());
        }
        return lqw;
    }

    /**
     * 新增商品
     *
     * @param bo 商品
     * @return 是否新增成功
     */
    @Override
    public Boolean insertByBo(TerMallProductBo bo) {
        TerMallProduct add = MapstructUtils.convert(bo, TerMallProduct.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setId(add.getId());
            String key = "mall:inventory:"+bo.getId();
            redisTemplate.opsForValue().set(key, String.valueOf(bo.getStock()));
        }
        return flag;
    }

    /**
     * 修改商品
     *
     * @param bo 商品
     * @return 是否修改成功
     */
    @Override
    public Boolean updateByBo(TerMallProductBo bo) {
        TerMallProduct update = BeanUtils.toBean(bo, TerMallProduct.class);
        validEntityBeforeSave(update);
        if(bo.getStock()!=null){
            String key = "mall:inventory:"+bo.getId();
            redisTemplate.opsForValue().set(key, String.valueOf(bo.getStock()));
        }
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(TerMallProduct entity){
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 校验并批量删除商品信息
     *
     * @param ids     待删除的主键集合
     * @param isValid 是否进行有效性校验
     * @return 是否删除成功
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
        if(isValid){
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteByIds(ids) > 0;
    }


}
